The Index Is Not the Market Anymore: Why RIAs Should Revisit Stock Picking

By Toby Wade, PhD, CEO

For years, the answer was simple. Buy the index. Keep costs low. Stay diversified. Let the market work. That advice still has merit.

But the market has changed.

A broad index is no longer as broad as many clients think. Market-cap-weighted indexes have become more concentrated in a small group of mega-cap companies. That concentration has helped performance. It has also changed the risk.

This creates a new question for registered investment advisors:

Is passive index investing still enough, or does the next cycle require more selectivity?

That doesn't mean advisors should abandon indexing. It does mean the conversation needs to become more precise.

Cap-weighted indexes are not neutral. They overweight the stocks that have already gone up. Equal-weight indexes tell a different story. Small and Mid-cap companies may offer a different opportunity set. But quality varies widely.

DeepVest AgentLab can help advisors move past broad claims and into evidence.

We Asked DeepVest AgentLab

We posed the following question to DeepVest AgentLab:

Explain why general index investing may be under pressure in the future and why the market may be shifting toward a better environment for stock picking, active managers, and SMID-cap companies.

Use specific numbers and tables to show the evidence, including index concentration, mega-cap vs. SMID-cap performance, equal-weight vs. cap-weight indexes, valuation gaps, earnings trends, and dispersion across stocks.

End with a clear advisor-ready explanation RIAs can give clients who ask whether passive index investing is still enough or if they should be doing more stock picking in the SMID-cap companies, without making any investment recommendation.

AgentLab's Response

Schedule a demo to see how DeepVest helps RIAs run portfolio audits, identify hidden risks, and turn complex analysis into client-ready conversations.

Why This Matters for RIAs

This is not an anti-indexing argument. It's a more precise indexing conversation.

Clients often assume that index investing always means broad diversification. But when market leadership narrows, a cap-weighted index can become heavily influenced by its largest companies. That may still fit the client's plan. But the exposure should be understood.

The advisor's job isn't to attack passive investing - it's to explain what the client actually owns.

DeepVest transformed this broad market question into a testable workflow. It compared cap-weighted and equal-weight results, examined small- and mid-cap performance after positive quarters, screened individual companies for valuation and profitability, and tested how each candidate performed after the same historical trigger.

Broad small and mid-cap exposure did not produce a durable long-term advantage over the S&P 500. After a positive SMID-cap quarter, small and mid-cap indexes held a narrow one-year edge. That advantage disappeared over longer periods.

At three years, the iShares Russell 2000 ETF (IWM) trailed the SPDR S&P 500 ETF Trust (SPY) by 4.43 percentage points, while the SPDR S&P MidCap 400 ETF Trust (MDY) was nearly flat relative to SPY at -0.06 percentage points. At five years, IWM trailed by 8.20 percentage points and MDY trailed by 1.47 percentage points.

The historical message is clear:

The SMID-cap index itself has not been the edge. Stock selection has been the exception.

DeepVest then tested the individual companies that passed its value-and-profitability screen, and the outcomes varied sharply.

Southwest Gas (SWX) showed the most consistent mid-cap profile. It produced a 33.31% mean three-year forward return, an 86% hit rate, and 4.33 percentage points of excess return versus IWM. Its worst three-year result was also the mildest among the stronger candidates.

Navigator Holdings (NVGS) generated 18.71 percentage points of mean excess return over three years. But its outcomes ranged widely, from a 53.23% loss to a 405.13% gain. The average looked strong. The risk was also high.

Eldorado Gold (EGO) showed positive mean excess returns over three and five years, but its five-year median return was -42.04%. A few huge winners pulled the average higher. That is not the same as a reliable edge.

Other candidates consistently lagged their benchmark. Safehold (SAFE) produced negative mean returns at one year and negative excess returns across every tested horizon. Orange County Bancorp (OBT), EPR Properties (EPR), and Photronics (PLAB) often posted positive returns but still generally trailed the broader SMID-cap benchmark.

Several of the most impressive results came from samples too small to trust. Inspire Medical Systems (INSP) showed eye-catching excess returns, but its five-year result rested on only two observations. Janus Henderson Group (JHG) and First Hawaiian (FHB) also had thin samples.

DeepVest helps separate three groups:

• Companies with a repeatable, adequately sampled historical edge.
• Companies that rise during SMID-cap rallies but still trail their benchmark.
• Companies with impressive headline returns that rely on too few observations to support a decision.

Not every SMID-cap stock will outperform. However, some do. That is precisely why stock selection matters.

DeepVest doesn't stop after finding companies with low price-to-earnings ratios, low price/earnings-to-growth ratios, low price-to-book ratios, and strong net margins. It tests whether those traits translated into stronger historical outcomes. It measures hit rates, excess returns, drawdowns, and sample quality. It also shows which candidates failed.

The advisor still makes the decision. DeepVest helps determine which evidence deserves attention.

Advisor Takeaway

The next market cycle may not look like the last one.

If mega-cap leadership weakens, equal-weight, active, and SMID-cap strategies may receive more attention. But the historical evidence does not support a wholesale shift from large-cap indexes into broad SMID-cap indexes.

The stronger conclusion is narrower:

Indexing still has a role. Selective stock picking may add value inside SMID caps, but only when the advisor screens for quality and tests whether the apparent edge survives historical analysis.

That's a more defensible client conversation.

It respects indexing. It respects evidence. It respects risk.

For RIAs, this is where DeepVest creates practical value. It moves the advisor from a market narrative to a tested conclusion, from a list of inexpensive stocks to a comparison of historical outcomes, and from headline returns to sample-size discipline.

It does not say every SMID-cap company is an opportunity. It helps reveal which ones may deserve further research and which ones do not.

Schedule a demo to see how DeepVest helps RIAs run portfolio audits, identify hidden risks, and turn complex analysis into client-ready conversations.

For questions, contact: [email protected]